Zobrazeno 1 - 10
of 50
pro vyhledávání: '"Tomi LINDROOS"'
Autor:
Aino Manninen, Jenni Pippuri-Makelainen, Tuomas Riipinen, Tomi Lindroos, Sini Metsa-Kortelainen, Atte Antikainen
Publikováno v:
IEEE Access, Vol 10, Pp 115571-115582 (2022)
We study the use of topology optimization in the design of low-loss ferromagnetic core structures for additively manufactured electrical machines. The test case was a simple toroid core with a primary and a secondary winding. A 2D axisymmetric finite
Externí odkaz:
https://doaj.org/article/54d627571abe49ea86949bf603bf71b6
Autor:
Nelli Putkonen, Tomi Lindroos, Eimantas Neniškis, Diāna Žalostība, Egidijus Norvaiša, Arvydas Galinis, Jana Teremranova, Juha Kiviluoma
Publikováno v:
International Journal of Sustainable Energy Planning and Management, Vol 34 (2022)
In the next ten years, the Baltic countries ― Estonia, Latvia, and Lithuania ― are planning large investments in renewable power generation and transfer capacity, substantial phase-out of fossil-based power generation, and desynchronization from
Externí odkaz:
https://doaj.org/article/3068fcdca6d842afbaeb64bf8c8777ef
Publikováno v:
Metals, Vol 12, Iss 11, p 1894 (2022)
Laser powder bed fusion is an additive manufacturing method that is based on melting and solidification of powder material. Due to the local heating above the melting point, thermal stresses are usually formed in the final part. Mitigation of residua
Externí odkaz:
https://doaj.org/article/44baa535e650421282ec000f911f373b
Autor:
Perttu Anttila, Vesa Nivala, Olli Salminen, Markus Hurskainen, Janne Kärki, Tomi Lindroos, Antti Asikainen
Publikováno v:
Metsätieteen aikakauskirja, Vol 2018 (2018)
Externí odkaz:
https://doaj.org/article/be7c9dc9fb9a4ff78e21a1f6bb012a3e
Publikováno v:
Reijonen, J, Antikainen, A, Lagerbom, J, Lindroos, M, Pinomaa, T & Lindroos, T 2022, Laser Powder Bed Fusion Of High Carbon Tool Steels . in World PM2022 Congress Proceedings . European Powder Metallurgy Association (EPMA), World PM2022 Congress & Exhibition, Lyon, France, 9/10/22 .
VTT Technical Research Centre of Finland-PURE
VTT Technical Research Centre of Finland-PURE
Tool steels are martensitic steels alloyed with carbide forming elements, thus having high strength, hardness and wear resistance. These characteristics, however, make them costly materials to shape into complex geometries. Laser powder bed fusion (P
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::138733fffa8d22d92f8e3c2b1f513acc
https://cris.vtt.fi/en/publications/d88f019b-6b0b-42c0-85cf-31ec1e537ed2
https://cris.vtt.fi/en/publications/d88f019b-6b0b-42c0-85cf-31ec1e537ed2
Publikováno v:
Antikainen, A, Reijonen, J, Lagerbom, J, Lindroos, M, Pinomaa, T & Lindroos, T 2022, ' Single-Track Laser Scanning as a Method for Evaluating Printability: The Effect of Substrate Heat Treatment on Melt Pool Geometry and Cracking in Medium Carbon Tool Steel ', Journal of Materials Engineering and Performance, vol. 31, no. 10, pp. 8418-8432 . https://doi.org/10.1007/s11665-022-06826-0
Nearly all commercially available alloys have been developed for manufacturing processes other than additive manufacturing. Most of those alloys are not suitable for laser powder bed fusion (L-PBF) processing due to the non-weldable nature of the all
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d43232c5e561ab2251002d90266ae004
https://cris.vtt.fi/en/publications/7e5a1922-dfff-4761-8f6a-908b4c0d66a0
https://cris.vtt.fi/en/publications/7e5a1922-dfff-4761-8f6a-908b4c0d66a0
Autor:
Matti Lindroos, Tatu Pinomaa, Anssi Laukkanen, Atte Antikainen, Juha Lagerbom, Joni Reijonen, Tomi Lindroos, Tom Andersson
Publikováno v:
Lindroos, M, Pinomaa, T, Laukkanen, A, Antikainen, A, Lagerbom, J, Reijonen, J, Lindroos, T & Andersson, T 2022, Opportunities of Physics-based Multi-Scale Modeling Tools in assessing intra-grain heterogeneities, polycrystal properties and residual stresses of AM metals . in World PM2022 Congress Proceedings . European Powder Metallurgy Association (EPMA), World PM2022 Congress & Exhibition, Lyon, France, 9/10/22 .
VTT Technical Research Centre of Finland-PURE
VTT Technical Research Centre of Finland-PURE
Microstructure is the origin of the properties and performance for additively manufactured metals. Rapid solidification enable the formation of various grain/phase structures as well as solute segregation and initial dislocation structures that all c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::119b8cea6221155fac17886a8501b8b8
https://cris.vtt.fi/en/publications/8f957e64-4008-4a89-bee3-0fe115f9fefb
https://cris.vtt.fi/en/publications/8f957e64-4008-4a89-bee3-0fe115f9fefb
Publikováno v:
Ikäheimo, J, Weiss, R, Kiviluoma, J, Pursiheimo, E & Lindroos, T J 2022, ' Impact of power-to-gas on the cost and design of the future low-carbon urban energy system ', Applied Energy, vol. 305, 117713 . https://doi.org/10.1016/j.apenergy.2021.117713
Power-to-gas technology has been proposed as one component for future energy systems facing decarbonization targets. This paper presents a power-to-gas focused open optimization model for studying cost efficient design and operation of future urban e
Autor:
Tomi Lindroos, Tuomas Riipinen, Sini Metsä-Kortelainen, Jenni Pippuri-Mäkeläinen, Aino Manninen
Publikováno v:
Lindroos, T, Riipinen, T, Metsä-Kortelainen, S, Pippuri-Mäkeläinen, J & Manninen, A 2022, ' Lessons learnt-additive manufacturing of iron cobalt based soft magnetic materials ', Journal of Magnetism and Magnetic Materials, vol. 563, 169977 . https://doi.org/10.1016/j.jmmm.2022.169977
Additive manufacturing (AM) technologies have opened up new possibilities for realizing magnetic circuit designs, ultimately leading to electrical machines with enhanced performance, lower material consumption and cost. This study introduces lessons
Publikováno v:
Lindroos, T J, Mäki, E, Koponen, K, Hannula, I, Kiviluoma, J & Raitila, J 2021, ' Replacing fossil fuels with bioenergy in district heating – Comparison of technology options ', Energy, vol. 231, 120799 . https://doi.org/10.1016/j.energy.2021.120799
We combine previously separate models of Northern European power markets, local district heating and cooling (DHC²2District Heating and Cooling (DHC).) systems, and biomass supply in a single modelling framework to study local and system level impac
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::48fc847c62273e1e543037b8305e8c53
https://cris.vtt.fi/ws/files/54208759/1_s2.0_S0360544221010471_main.pdf
https://cris.vtt.fi/ws/files/54208759/1_s2.0_S0360544221010471_main.pdf